The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 200
for showing the luminosity by electricity by means of theGuinea anft Feather Tube, Fig. 50. What does the light in this experimentstrikingly resemble ? 17 194 ELECTRIC ILLUMINATION. nigh exhausted, a charge from a highly electrified battery bepassed, the electricity will descend in a brilliant ball…
Physics
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